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MSA IR400 Point IR Gas Detector
Item #:
IR400-0-13-2-2-0-1-1
Brand:
MSA
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IR400 Point IR Gas Detector by MSA
The IR400 Infrared (IR) Point Detector is a hydrocarbon gas detector that continuously monitors combustible gases and vapors within the lower explosive limit (LEL) and provides alarm indication. It features an industry-leading response time of less than 3 seconds, even with a splash guard installed. All electronics are contained within an explosion-proof housing so that the IR400's detector information can be processed locally. Configurations with analog output, Modbus and HART are also available.
- Industry-leading speed & response: T90 ≤ 3 seconds even with splash guard installed
- No routine calibration required reducing maintenance costs
- Industry standard 4-20 mA output provides remote alarm and fault indication
- Multiple communication outputs provide complete status and control capability in the control room
- Heated optics eliminate condensation
- Dirty optics indication discriminates between true fault and cleaning requirements
- Fast calibration times reduce amount of cal gas required which lowers maintenance time and costs
Applications
- Chemical plants
- Compressor stations
- Drilling and production platforms
- Fuel loading facilities
- Oil well logging
- LNG/LPG processing and storage facilities
- Refineries
- Wastewater treatment facilities
| System Specifications | |
| DETECTOR TYPE | Infrared absorption type |
| MEASURING RAGE | 0 to 100% LEL 0 to 100% by volume (methane only) |
| GASES | Methane, propane, ethane, ethylene, butane, hexane, pentane, benzene Consult factory for other gases |
| DETECTOR LIFE | Greater than 5 years |
| ACCURACY @ 25°C |
± 3% LEL at ≤ 50% LEL reading ± 5% LEL at > 50% LEL reading |
| ZERO DRIFT | < 2% per year |
| RESPONSE TIME WITH SPLASH GUARD | T50 ≤ 1.5 s, T60 ≤ 1.5 s, T90 ≤ 3 s Except ethylene where T60 ≤ 2 s and T90 ≤ 4 s |
| READOUT/RELAY DISPLAY MODULES | DC110; TA102A; IR4000 display, and relay alarms |
| ACCESSORIES | Junction box, duct mount junction box, calibration cup, flow block, splash guard, rain guard, portable purge calibrator |
| CLASSIFICATION | Class I, Zone 1, IIB + H2 (Ta=-40° C to +75° C) Ex d, IIB + H2 T5 gb Ex tb IIIC, T100° C Db, IP66 (Ta=-60° C to +75° C) |
| WARRANTY | Two years |
| APPROVALS | ATEx, IECEx, MED, DNV gL, CE, FM 6310, 6320 and CSA 22.2 No. 152 EN 60079-29-1 Performance Approved HART Registered, SIL 3 suitable FM Certified to IEC 61508 |
| Environmental Specifications | |
| OPERATING TEMPERATURE RANGE | FM, CSA, GOST-R -40° F to +167° F (-40° C to +75° C) ATEX, IECEx -76° F to +167° F (-60° C to +75° C) ETHYLENE -40° F to +140° F (-40° C to +60° C) |
| STORAGE TEMERATURE RANGE | -58° F to +185° F (-50° C to +85° C) |
| OPERATING HUMIDITY RANGE | 10% to 95% RH, non-condensing |
| Electrical Specifications | |
| INPUT POWER | 20-36 VDC @ 200 mA max. 24 VDC nominal |
| ANALOG SIGNAL | 0-21.7 mA (600 ohms max.) START UP, FAULT (non-HART): 0 mA START UP, FAULT (HART): 1.25 mA CAL, ZERO, GAS CHECK: 1.5 mA DIRTY OPTICS: 2.0 mA 0 TO 100% LEL: 4 to 20 mA (proportional) OVER-RANGE: 20 to 21.7 mA |
| EMC | Complies with EN 50270, EN 61000-6-4 |
| CABLE REQUIREMENTS | Max. distance between IR400 and power source @ 24 VDC nominal (20 ohm loop resistance): 14 AWg (2.0 mm2) - 3600 ft (1100 m) Max. distance for analog output (500 ohms max): 14 AWg (2.0 mm2) - 9000 ft. (2740 m) |
| FAULT MONITORED | Re-calibration error, EPROM checksum error, optics failure/blockage; low supply voltage, EEPROM checksum error, reference or active lamp failure, heater failure, time to re-zero unit, short circuit on CAL_IO wire |
| RS-485 OUTPUT | Modbus RTU, suitable for linking up to 128 units or up to 247 units with repeaters |
| BAUD RATE | 2400, 4800, 9600, or 19200 BPS |
| HART (OPTIONAL) | HART 6, HART Device Descriptor available. AMS aware |
| WIRELESS COMMUNICATION | Available with ELPRO Technologies wireless devices |
| Mechanical Specifications | |
| DIAMETER | 2.9" (74 mm) |
| LENGTH | 8.87" (225 mm) |
| WEIGHT | ALUMINUM: 3 lbs (1.35 kg) STAINLESS STEEL: 6 Ibs (2.7 kg) |
| MOUNTING | ¾" NPT |
| INGRESS PROTECTION | Type 4x, IP66 |
| HOUSING | Aluminum 6061-T6 alloy or 316 stainless steel |
| STANDARD CONFIGURATION | IR400-0-01-1-2-0-1-0 Methane, 4-20 mA, Modbus, aluminum, splashguard w/screen, no junction box |
